/* ==========================================================================
   PPGCIMA · Programa de Pós-Graduação em Ciência de Materiais (IF/UnB)
   Identidade "Retículo": papel, tinta, azul e verde UnB, acento cobre.
   Todos os caminhos do site são relativos (funciona em /ppgcima e na raiz).
   ========================================================================== */

/* ---------------------------------------------------------------- Tokens */
:root{
  color-scheme:light;
  --paper:#f5f3ee;
  --surface:#fcfbf8;
  --surface-2:#ece9e1;
  --ink:#101b27;
  --ink-2:#3a4550;
  --muted:#65707a;
  --rule:#dcd8ce;
  --rule-strong:#b9b4a7;
  --blue:#003366;
  --heading:#003366;
  --green:#00733f;
  --green-hover:#005c32;
  --copper:#a8501a;
  --on-accent:#ffffff;
  --dot:rgba(16,27,39,.13);
  --header-bg:rgba(245,243,238,.84);
  --deep:#062a4f;
  --deep-ink:#eef2f7;
  --deep-muted:#a9bbcf;
  --deep-rule:#1f4468;
  --deep-copper:#eaa86c;
  --deep-green:#5fd79c;
  --shadow:0 1px 0 rgba(16,27,39,.04),0 18px 40px -24px rgba(16,27,39,.28);

  --serif:"Instrument Serif",Georgia,"Times New Roman",serif;
  --sans:"Geist",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --mono:"Geist Mono",ui-monospace,Menlo,Consolas,monospace;

  --container:1200px;
  --gutter:clamp(16px,4vw,40px);
  --header-h:64px;
  --radius:10px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    color-scheme:dark;
    --paper:#0c1117;
    --surface:#121922;
    --surface-2:#19222d;
    --ink:#ebe8e1;
    --ink-2:#c4c8cc;
    --muted:#8f99a3;
    --rule:#242e39;
    --rule-strong:#3a4652;
    --blue:#8fb6ec;
    --heading:#e3eaf4;
    --green:#48c98a;
    --green-hover:#6ad8a1;
    --copper:#e59f62;
    --on-accent:#06110b;
    --dot:rgba(235,232,225,.09);
    --header-bg:rgba(12,17,23,.82);
    --deep:#080c11;
    --deep-ink:#ebe8e1;
    --deep-muted:#8f99a3;
    --deep-rule:#1d2630;
    --deep-copper:#e59f62;
    --deep-green:#48c98a;
    --shadow:0 1px 0 rgba(0,0,0,.3),0 18px 40px -24px rgba(0,0,0,.7);
  }
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --paper:#0c1117;
  --surface:#121922;
  --surface-2:#19222d;
  --ink:#ebe8e1;
  --ink-2:#c4c8cc;
  --muted:#8f99a3;
  --rule:#242e39;
  --rule-strong:#3a4652;
  --blue:#8fb6ec;
  --heading:#e3eaf4;
  --green:#48c98a;
  --green-hover:#6ad8a1;
  --copper:#e59f62;
  --on-accent:#06110b;
  --dot:rgba(235,232,225,.09);
  --header-bg:rgba(12,17,23,.82);
  --deep:#080c11;
  --deep-ink:#ebe8e1;
  --deep-muted:#8f99a3;
  --deep-rule:#1d2630;
  --deep-copper:#e59f62;
  --deep-green:#48c98a;
  --shadow:0 1px 0 rgba(0,0,0,.3),0 18px 40px -24px rgba(0,0,0,.7);
}

/* ------------------------------------------------------------------ Base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;
  scroll-padding-top:calc(var(--header-h) + 72px)}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);
  font-size:1rem;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:clip}
img,svg{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
p{margin:0 0 1em}
/* Texto corrido justificado, com hifenização para não abrir "rios" em colunas estreitas */
p,dd,address,.row__desc,.person__area,.areas .desc{text-align:justify;-webkit-hyphens:auto;hyphens:auto}
.center,.center p{text-align:center}
h1,h2{color:var(--heading);font-family:var(--serif);font-weight:400;line-height:1.04;letter-spacing:-.012em;margin:0}
h1 em,h2 em{font-style:italic;color:var(--green)}
h3{font-family:var(--sans);font-weight:600;font-size:1.05rem;line-height:1.35;margin:0 0 .35em}
:focus-visible{outline:2px solid var(--green);outline-offset:3px;border-radius:4px}
::selection{background:var(--green);color:var(--on-accent)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}

.container{max-width:var(--container);margin:0 auto;padding:0 var(--gutter)}
.mono{font-family:var(--mono)}
.label{font-family:var(--mono);font-size:.72rem;font-weight:500;letter-spacing:.06em;
  text-transform:uppercase;color:var(--blue)}
.lead{font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink-2);max-width:62ch;line-height:1.6}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--ink);color:var(--paper);
  padding:8px 14px;border-radius:6px}
.skip:focus{left:8px}
.link{color:var(--blue);text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:3px}
.link:hover{color:var(--green)}

/* --------------------------------------------------------------- Botões */
.btn{display:inline-flex;align-items:center;gap:10px;font:600 .95rem/1 var(--sans);
  padding:14px 20px;border-radius:999px;border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease)}
.btn svg{width:16px;height:16px;transition:transform .2s var(--ease)}
.btn:hover svg{transform:translateX(3px)}
.btn--solid{background:var(--green);color:var(--on-accent)}
.btn--solid:hover{background:var(--green-hover)}
.btn--line{border-color:var(--rule-strong);color:var(--ink)}
.btn--line:hover{border-color:var(--ink)}
.btnrow{display:flex;flex-wrap:wrap;gap:10px}

/* --------------------------------------------------------------- Header */
.site-header{position:sticky;top:0;z-index:40;background:var(--header-bg);
  -webkit-backdrop-filter:saturate(1.4) blur(14px);backdrop-filter:saturate(1.4) blur(14px);
  border-bottom:1px solid var(--rule)}
.header-bar{display:flex;align-items:center;gap:20px;height:var(--header-h)}
.brand{display:flex;align-items:center;gap:11px;margin-right:auto;min-width:0}
.brand .mark{width:36px;height:36px;flex:none;color:var(--blue)}
.brand__wm{display:block;color:var(--heading);font:650 1.02rem/1 var(--sans);letter-spacing:.08em}
.brand__sub{display:block;margin-top:4px;font:500 .64rem/1.1 var(--mono);color:var(--muted);
  letter-spacing:.02em;white-space:nowrap}
.nav ul{display:flex;list-style:none;margin:0;padding:0;gap:2px}
.nav a{position:relative;display:block;padding:8px 10px;font-size:.9rem;color:var(--ink-2);
  border-radius:6px;white-space:nowrap;transition:color .15s,background .15s}
.nav a:hover{color:var(--blue);background:var(--surface-2)}
.nav a[aria-current="page"]{color:var(--ink)}
.nav a[aria-current="page"]::after{content:"";position:absolute;left:10px;right:10px;bottom:1px;
  height:2px;border-radius:2px;background:var(--green)}
.tools{display:flex;align-items:center;gap:6px}
.icon-btn{height:36px;min-width:36px;display:inline-grid;place-items:center;padding:0 9px;
  border:1px solid var(--rule);border-radius:8px;background:transparent;color:var(--ink);
  cursor:pointer;font:500 .74rem/1 var(--mono);letter-spacing:.04em;transition:border-color .15s}
.icon-btn:hover{border-color:var(--rule-strong)}
.icon-btn svg{width:18px;height:18px}
.theme-btn .i-sun{display:none}
:root[data-theme="dark"] .theme-btn .i-sun{display:block}
:root[data-theme="dark"] .theme-btn .i-moon{display:none}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]) .theme-btn .i-sun{display:block}
  :root:not([data-theme="light"]) .theme-btn .i-moon{display:none}
}
.menu-btn{display:none}
.menu-btn .i-x{display:none}
.menu-btn[aria-expanded="true"] .i-x{display:block}
.menu-btn[aria-expanded="true"] .i-menu{display:none}

.drawer{position:fixed;inset:var(--header-h) 0 0 0;z-index:39;background:var(--paper);
  overflow-y:auto;padding:12px var(--gutter) 40px}
.drawer[hidden]{display:none}
.drawer ol{list-style:none;margin:0;padding:0;max-width:640px}
.drawer a{display:flex;align-items:baseline;gap:16px;padding:14px 0;border-bottom:1px solid var(--rule);
  font:400 clamp(1.7rem,7vw,2.4rem)/1.1 var(--serif)}
.drawer a .mono{font-size:.72rem;color:var(--muted);min-width:3.2em}
.drawer a[aria-current="page"]{color:var(--green)}
body.menu-open{overflow:hidden}

@media (max-width:1140px){
  .nav{display:none}
  .menu-btn{display:inline-grid}
}
@media (max-width:420px){
  .brand__sub{display:none}
  .header-bar{gap:10px}
}

/* ------------------------------------------------------------ Home hero */
.hero{position:relative;border-bottom:1px solid var(--rule);overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,var(--dot) 1.2px,transparent 0);
  background-size:28px 28px;
  -webkit-mask-image:radial-gradient(ellipse 70% 80% at 75% 45%,#000 20%,transparent 75%);
  mask-image:radial-gradient(ellipse 70% 80% at 75% 45%,#000 20%,transparent 75%)}
.hero__grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);
  gap:clamp(24px,5vw,72px);align-items:center;padding-block:clamp(40px,7vw,96px) clamp(40px,6vw,80px)}
.hero h1{font-size:clamp(3.2rem,9.5vw,7.4rem);margin:18px 0 26px}
.hero h1 span{display:block}
.hero .lead{margin-bottom:32px}
.lattice{position:relative;margin:0;aspect-ratio:1/1;width:100%;max-width:520px;justify-self:end;
  touch-action:pan-y;cursor:grab}
.lattice:active{cursor:grabbing}
.lattice svg{width:100%;height:100%;display:block;overflow:visible}
.lattice .lt-edge{stroke:var(--rule-strong);stroke-width:.018;stroke-linecap:round}
.lattice .lt-corner{fill:var(--blue)}
.lattice .lt-body{fill:var(--green)}
@media (max-width:820px){
  .hero__grid{grid-template-columns:1fr}
  .lattice{max-width:250px;justify-self:center;order:-1;margin-bottom:-20px}
}

/* Ficha técnica */
.facts{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));border-bottom:1px solid var(--rule)}
.fact{padding:22px 20px 24px;border-left:1px solid var(--rule)}
.fact:first-child{border-left:0;padding-left:0}
.fact dt{margin-bottom:8px}
.fact dd{margin:0;font:400 1.55rem/1.15 var(--serif)}
@media (max-width:820px){
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fact{padding:18px 14px}
  .fact:nth-child(odd){border-left:0;padding-left:0}
  .fact:nth-child(n+3){border-top:1px solid var(--rule)}
}

/* ------------------------------------------------------------- Seções */
.section{padding:clamp(56px,8vw,112px) 0}
.section--tight{padding-top:0}
.section--page{padding-top:clamp(32px,5vw,64px)}
.section__head{display:flex;flex-wrap:wrap;align-items:end;justify-content:space-between;gap:16px 32px;
  margin-bottom:clamp(28px,4vw,48px)}
.section__head h2{font-size:clamp(2.2rem,5vw,3.6rem);max-width:18ch}
.section__head .label{display:block;margin-bottom:14px}
.section__head .lead{max-width:40ch;margin:0}

/* Índice das áreas (home) */
.areas{list-style:none;margin:0;padding:0;border-top:1px solid var(--blue)}
.areas a{display:grid;grid-template-columns:5.5rem minmax(0,15rem) minmax(0,1fr) 28px;gap:16px 24px;
  align-items:baseline;padding:22px 0;border-bottom:1px solid var(--rule);transition:background .2s var(--ease)}
.areas .idx{font:500 .78rem var(--mono);color:var(--copper)}
.areas .name{font:400 clamp(1.6rem,3vw,2.2rem)/1.1 var(--serif);color:var(--heading)}
.areas .desc{color:var(--muted);font-size:.95rem}
.areas svg{width:20px;height:20px;align-self:center;color:var(--muted);
  transition:transform .25s var(--ease),color .2s}
.areas a:hover .name{color:var(--green)}
.areas a:hover svg{transform:translateX(6px);color:var(--green)}
@media (max-width:720px){
  .areas a{grid-template-columns:4rem minmax(0,1fr) 22px;padding:18px 0}
  .areas .desc{grid-column:2/3;grid-row:2}
  .areas svg{grid-column:3;grid-row:1}
}

/* Faixa de chamada */
.band{position:relative;background:var(--deep);color:var(--deep-ink);border-radius:18px;overflow:hidden;
  padding:clamp(32px,5vw,64px);display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px 48px;align-items:end}
.band::after{content:"";position:absolute;right:-40px;top:-40px;width:320px;height:320px;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,rgba(233,230,222,.16) 1.2px,transparent 0);
  background-size:22px 22px;-webkit-mask-image:radial-gradient(circle,#000,transparent 70%);
  mask-image:radial-gradient(circle,#000,transparent 70%)}
.band .label{color:var(--deep-copper)}
.band h2{color:var(--deep-ink);font-size:clamp(2rem,4.5vw,3.2rem);margin:12px 0 14px;max-width:20ch}
.band p{color:var(--deep-muted);max-width:56ch;margin:0}
.band .btn--line{border-color:var(--deep-rule);color:var(--deep-ink)}
.band .btn--line:hover{border-color:var(--deep-ink)}
@media (max-width:720px){.band{grid-template-columns:1fr;border-radius:14px}}

.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,72px)}
@media (max-width:860px){.split{grid-template-columns:1fr}}
.split__head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;
  padding-bottom:14px;border-bottom:1px solid var(--blue);margin-bottom:4px}
.split__head h2{font-size:clamp(1.8rem,3.5vw,2.4rem)}

/* ------------------------------------------------------ Páginas internas */
.page-head{position:relative;border-bottom:1px solid var(--rule);overflow:hidden}
.page-head::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(circle at 1px 1px,var(--dot) 1.2px,transparent 0);background-size:28px 28px;
  -webkit-mask-image:linear-gradient(90deg,transparent 35%,#000 100%);mask-image:linear-gradient(90deg,transparent 35%,#000 100%)}
.page-head .container{position:relative;padding-top:clamp(36px,6vw,80px);padding-bottom:clamp(32px,5vw,64px)}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;font:500 .74rem var(--mono);color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--green)}
.crumbs span[aria-hidden]{opacity:.5}
.page-head h1{font-size:clamp(2.8rem,8vw,5.6rem);margin-bottom:18px}
.page-head .miller{font:500 .78rem var(--mono);color:var(--copper);margin-left:.4em;vertical-align:super;letter-spacing:.02em}

.page-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:clamp(32px,6vw,88px);
  padding-top:clamp(32px,5vw,64px);padding-bottom:clamp(64px,9vw,120px)}
.page-grid > *{min-width:0}
.toc{position:sticky;top:calc(var(--header-h) + 32px);align-self:start}
.toc .label{display:block;margin-bottom:12px}
.toc ol{list-style:none;margin:0;padding:0;border-left:1px solid var(--rule)}
.toc a{display:flex;gap:10px;padding:7px 0 7px 16px;margin-left:-1px;border-left:2px solid transparent;
  color:var(--muted);font-size:.9rem;line-height:1.35;transition:color .15s,border-color .15s}
.toc a .mono{font-size:.7rem;padding-top:.15em}
.toc a:hover{color:var(--ink)}
.toc a.is-active{color:var(--ink);border-left-color:var(--green)}
@media (max-width:900px){
  .page-grid{grid-template-columns:1fr;padding-top:0}
  .toc{top:var(--header-h);z-index:20;margin:0 calc(-1 * var(--gutter));padding:0 var(--gutter);
    background:var(--header-bg);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--rule)}
  .toc .label{display:none}
  .toc ol{display:flex;gap:4px;overflow-x:auto;border:0;scrollbar-width:none;padding:10px 0}
  .toc ol::-webkit-scrollbar{display:none}
  .toc a{white-space:nowrap;border:1px solid var(--rule);border-radius:999px;padding:6px 12px;margin:0;font-size:.84rem}
  .toc a .mono{display:none}
  .toc a.is-active{border-color:var(--green);color:var(--green)}
}

.block{padding-top:clamp(36px,5vw,56px)}
.block:first-child{padding-top:clamp(28px,4vw,8px)}
.block + .block{margin-top:clamp(28px,4vw,40px);border-top:1px solid var(--rule)}
/* Modo paginado (com JavaScript): uma seção por vez */
.is-paged .block,.is-paged .block:first-child,.is-paged .block + .block{padding-top:clamp(8px,2vw,8px);margin-top:0;border-top:0}
.is-paged .block[hidden]{display:none}
.block.is-leaving{opacity:0;transform:translateY(-6px);transition:opacity .14s ease,transform .14s ease}
.block.is-entering{animation:block-in .38s var(--ease) both}
@keyframes block-in{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:clamp(36px,5vw,56px);padding-top:20px;border-top:1px solid var(--rule)}
.pager a{display:grid;gap:4px;padding:14px 16px;border:1px solid var(--rule);border-radius:10px;background:var(--surface);
  transition:border-color .2s,transform .2s var(--ease)}
.pager a:hover{border-color:var(--blue);transform:translateY(-2px)}
.pager a > span:last-child{font:400 1.3rem/1.15 var(--serif);color:var(--heading)}
.pager__next{text-align:right;grid-column:2}
@media (max-width:480px){.pager{grid-template-columns:1fr}.pager__next{grid-column:1}}
.block__head{display:flex;align-items:baseline;gap:14px;margin-bottom:22px}
.block__head .mono{font-size:.74rem;color:var(--copper)}
.block__head h2{font-size:clamp(1.9rem,4vw,2.7rem)}
.block__intro{color:var(--ink-2);max-width:66ch;margin-bottom:22px}
.prose{max-width:68ch;color:var(--ink-2)}
.prose h3{color:var(--ink);margin-top:1.4em}

/* ---------------------------------------------------------- Pendências */
.pending{position:relative;border:1px dashed var(--copper);border-radius:var(--radius);
  padding:16px 18px 16px 18px;color:var(--ink-2);background:color-mix(in srgb,var(--copper) 5%,transparent);max-width:68ch}
.pending + .pending{margin-top:12px}
.pending p{margin:0;font-size:.95rem}
.tag{display:inline-flex;align-items:center;gap:6px;font:500 .66rem/1 var(--mono);letter-spacing:.06em;
  text-transform:uppercase;padding:5px 8px;border-radius:999px;border:1px solid var(--rule-strong);
  color:var(--muted);white-space:nowrap}
.tag--pending,.tag--example{border-style:dashed;border-color:var(--copper);color:var(--copper)}
.tag--open{border-color:var(--green);color:var(--green)}
.tag--open::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor}
.pending .tag{margin-bottom:10px}

/* ------------------------------------------------------------ Registro */
.registry{list-style:none;margin:0;padding:0;border-top:1px solid var(--rule)}
.registry > li{border-bottom:1px solid var(--rule)}
.row{display:grid;grid-template-columns:4.2rem minmax(0,1fr) auto 20px;gap:6px 20px;align-items:baseline;
  padding:18px 0;transition:background .2s}
.row__year{font:500 .8rem var(--mono);color:var(--muted)}
.row__title{font-weight:600;color:var(--ink);line-height:1.4;overflow-wrap:anywhere}
.row__desc{overflow-wrap:anywhere;display:block;color:var(--muted);font-size:.92rem;margin-top:3px}
.row__authors{display:block;text-align:justify;hyphens:manual;color:var(--ink-2);font-size:.92rem;line-height:1.5;margin-top:4px;overflow-wrap:anywhere}
.row__sinopse{color:var(--ink-2);font-size:.92rem;margin:0;max-width:78ch}
.row .more{margin-top:10px}
.row__detalhe{display:block;color:var(--ink-2);font-size:.86rem;margin-top:6px;overflow-wrap:anywhere}
.row__detalhe + .row__detalhe{margin-top:2px}
.row__detalhe .label{margin-right:4px}
.row__desc em{font-style:italic}
.row__venue{display:block;color:var(--muted);font-size:.88rem;font-style:italic;margin-top:2px;overflow-wrap:anywhere}
.au-ppg{color:var(--ink);font-weight:600;text-decoration:underline;text-decoration-color:var(--blue);
  text-decoration-thickness:1.5px;text-underline-offset:3px}
.row__meta{display:flex;flex-wrap:wrap;gap:6px;justify-content:end}
.row__go{width:18px;height:18px;color:var(--muted);align-self:center;transition:transform .2s var(--ease),color .2s}
a.row:hover .row__title{color:var(--green)}
a.row:hover .row__go{transform:translateX(4px);color:var(--green)}
div.row .row__go{visibility:hidden}
@media (max-width:640px){
  .row{grid-template-columns:3.4rem minmax(0,1fr) 18px}
  .row__meta{grid-column:2/3;grid-row:2;justify-content:start;margin-top:6px}
  .row__go{grid-column:3;grid-row:1}
}
/* Botões de documento: retangulares e discretos, não as bolhas do botão principal */
.btn--mini{padding:7px 12px;font:500 .78rem/1.1 var(--sans);border-radius:8px;
  background:var(--surface);border-color:var(--rule);color:var(--ink-2)}
.btn--mini:hover{border-color:var(--rule-strong);color:var(--ink);background:var(--surface-2)}
.row__meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;max-width:12rem}
.row__acoes{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}
.empty{padding:22px 0;color:var(--muted);font-size:.95rem;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}

/* Filtros */
.filters{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:18px}
.chip{font:500 .8rem/1 var(--sans);padding:8px 13px;border-radius:999px;border:1px solid var(--rule);
  background:transparent;color:var(--ink-2);cursor:pointer;transition:border-color .15s,color .15s,background .15s}
.chip:hover{border-color:var(--rule-strong);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.quads{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,200px),1fr));gap:8px;margin-bottom:14px}
.quad{display:grid;gap:4px;text-align:left;padding:14px 16px;border-radius:var(--radius);border:1px solid var(--rule);
  background:transparent;color:var(--ink-2);font:inherit;cursor:pointer;transition:border-color .15s,background .15s,color .15s}
.quad:hover{border-color:var(--rule-strong);color:var(--ink)}
.quad[aria-pressed="true"]{background:var(--surface);border-color:var(--blue);color:var(--ink);box-shadow:inset 0 0 0 1px var(--blue)}
.quad__label{font:500 .72rem/1 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.quad__years{font:600 1.15rem/1.1 var(--sans);font-variant-numeric:tabular-nums}
.quad__meta{font-size:.82rem;color:var(--muted)}

/* -------------------------------------------------------------- Pessoas */
.people{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:12px}
.person{background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);padding:20px;display:grid;grid-template-columns:64px minmax(0,1fr);gap:4px 16px;align-content:start}
.person__mono{grid-row:span 4;width:64px;height:64px;display:grid;place-items:center;position:relative;
  font:400 1.45rem/1 var(--serif);color:var(--blue);background:var(--paper);border:1px solid var(--rule)}
.person__mono::after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:var(--green);
  right:-4px;top:-4px;box-shadow:0 0 0 3px var(--surface)}
.person__name{font-weight:600;line-height:1.3}
.person__role{font:500 .7rem/1.3 var(--mono);color:var(--copper);text-transform:uppercase;letter-spacing:.05em}
.person__mono img{width:100%;height:100%;object-fit:cover;display:block}
.person__mono:has(img){border-radius:8px;overflow:hidden}
.person__mono:has(img)::after{display:none}
.person__unit{font-size:.86rem;color:var(--ink-2);line-height:1.4}
.person__area{color:var(--muted);font-size:.88rem;line-height:1.45}
.person__links{grid-column:2;display:flex;flex-wrap:wrap;gap:12px;margin-top:8px;font:500 .74rem var(--mono)}
.person__links a{color:var(--green)}
.person__links a:hover{text-decoration:underline}
.person .tag{grid-column:2;justify-self:start;margin-top:8px}

/* -------------------------------------------------------- Linhas/cartões */
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.tile{position:relative;background:var(--surface);border:1px solid var(--rule);border-radius:var(--radius);
  padding:22px 22px 20px;transition:border-color .2s,box-shadow .2s,transform .2s var(--ease)}
.tile:hover{border-color:var(--rule-strong);box-shadow:var(--shadow)}
a.tile:hover{transform:translateY(-2px)}
.tile--foto{padding-top:0;overflow:hidden}
.tile__foto{display:block;width:calc(100% + 44px);max-width:none;margin:0 -22px 18px;aspect-ratio:16/9;object-fit:cover;
  border-bottom:1px solid var(--rule);background:var(--paper)}
.tile--foto .tile__top{margin-bottom:14px}
.tile__hist{margin:0}
.tile__hist ul{list-style:none;margin:8px 0 0;padding:0;display:grid;gap:8px}
.tile__hist li{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:10px;font-size:.9rem;color:var(--ink-2)}
.tile__hist li > span:last-child{text-align:justify;-webkit-hyphens:auto;hyphens:auto}
.tile__hist .mono{color:var(--copper);font-size:.78rem;padding-top:.12em}
.tile__credito{margin-top:10px;font:500 .68rem var(--mono);letter-spacing:.04em;color:var(--muted)}
.tile__top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:26px}
.tile__top .mono{font-size:.72rem;color:var(--copper)}
.tile h3{font:400 1.55rem/1.15 var(--serif);color:var(--heading);margin-bottom:10px}
.tile p{color:var(--muted);font-size:.93rem;margin:0}
/* Corpo docente */
.faculty{display:grid;gap:10px}
.faculty__grupo{font:500 .76rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--muted);
  margin:26px 0 10px;padding-top:14px;border-top:1px solid var(--rule)}
.prof{display:grid;grid-template-columns:88px minmax(0,1fr);gap:6px clamp(14px,2.5vw,24px);background:var(--surface);
  border:1px solid var(--rule);border-radius:14px;padding:clamp(14px,2.2vw,20px)}
.prof__photo{width:88px;height:88px;border-radius:10px;overflow:hidden;background:var(--paper);border:1px solid var(--rule);display:grid;place-items:center}
.prof__photo img{width:100%;height:100%;object-fit:cover;display:block}
.prof__photo > span{font:400 2rem/1 var(--serif);color:var(--blue)}
.prof__body{display:grid;gap:5px;align-content:center;min-width:0}
.prof__role{font:500 .7rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--copper)}
.prof h3{font:400 clamp(1.3rem,2.4vw,1.6rem)/1.15 var(--serif);color:var(--heading);margin:0}
.prof__unit{color:var(--ink-2);font-size:.9rem}
.prof__area{font-size:.86rem;color:var(--muted)}
.prof__area .label{margin-right:6px}
.prof__links{display:flex;flex-wrap:wrap;gap:4px 16px;font:500 .78rem var(--mono);margin-top:2px}
.prof__links a{color:var(--blue);overflow-wrap:anywhere}
.prof__links a:hover{color:var(--green);text-decoration:underline}
/* "Ver mais": detalhes recolhidos, abaixo da tira */
.more{border-top:1px solid var(--rule);margin-top:8px}
.more > summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:8px;padding:10px 0 0;
  font:500 .78rem var(--mono);letter-spacing:.04em;color:var(--blue);width:max-content}
.more > summary::-webkit-details-marker{display:none}
.more > summary::after{content:"";width:7px;height:7px;border:solid currentColor;border-width:0 1.5px 1.5px 0;
  transform:translateY(-2px) rotate(45deg);transition:transform .2s var(--ease)}
.more[open] > summary::after{transform:translateY(2px) rotate(-135deg)}
.more > summary:hover{color:var(--green)}
.more .when-open,.more[open] .when-closed{display:none}
.more[open] .when-open{display:inline}
.more__body{display:grid;gap:12px;padding:14px 0 4px;min-width:0}
.more__body > *{min-width:0}
.more--bloco{margin-top:22px}
.more--bloco > summary{font:500 .8rem var(--mono);letter-spacing:.06em;text-transform:uppercase}
.more[open] .more__body{animation:block-in .3s var(--ease) both}
.prof__more{grid-column:1/-1}
.prof__detail{max-width:78ch}
.prof__lab{font-size:.9rem;color:var(--ink-2)}
.prof__lab .label{margin-right:6px}
.prof__lab a{color:var(--blue);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prof__lab a:hover{color:var(--green)}
.prof__bio{color:var(--ink-2);margin:0}
.prof__highlights{list-style:none;margin:0;padding:0;display:grid;gap:4px}
.prof__highlights li{position:relative;padding-left:16px;font-size:.92rem;color:var(--ink-2)}
.prof__highlights li::before{content:"";position:absolute;left:2px;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--green)}
.prof__edu ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:4px}
.prof__edu li{display:grid;grid-template-columns:3.2rem minmax(0,1fr);gap:10px;font-size:.92rem;color:var(--ink-2)}
.prof__edu .mono{color:var(--muted);font-size:.8rem;padding-top:.15em}
.prof__updated{font:500 .7rem var(--mono);color:var(--muted)}
.prof__unit,.prof__lab,.prof__bio,.prof__highlights li,.prof__edu li > span:last-child{text-align:justify;-webkit-hyphens:auto;hyphens:auto}
@media (max-width:560px){
  .prof{grid-template-columns:64px minmax(0,1fr)}
  .prof__photo{width:64px;height:64px}
  .prof__photo > span{font-size:1.5rem}
}
/* Laboratórios */
.lab{background:var(--surface);border:1px solid var(--rule);border-radius:14px;padding:clamp(20px,3vw,32px);display:grid;gap:22px}
.lab + .lab{margin-top:14px}
.lab__head{display:flex;align-items:center;gap:16px}
.lab__head > div{flex:1;min-width:0}
.lab__logo{width:56px;height:56px;flex:none;padding:8px;border:1px solid var(--rule);border-radius:12px;background:var(--paper)}
.lab__head h3{font:400 clamp(1.6rem,3vw,2.1rem)/1.1 var(--serif);color:var(--heading);margin:4px 0 0}
.lab__sigla{font:500 .8rem var(--mono);color:var(--copper);vertical-align:middle;margin-left:4px;white-space:nowrap}
.lab__desc{color:var(--ink-2);max-width:72ch;margin:0}
.lab__meta{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px 32px;margin:0}
.lab__meta dt{font:500 .7rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--blue);margin-bottom:2px}
.lab__meta dd{margin:0;color:var(--ink)}
.lab__stats{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));
  border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.lab__stats li{padding:16px 16px 16px 0}
.lab__stats li + li{padding-left:16px;border-left:1px solid var(--rule)}
.lab__stats strong{display:block;font:600 1.45rem/1.2 var(--sans);letter-spacing:-.01em;font-variant-numeric:tabular-nums;color:var(--blue)}
.lab__stats span{font-size:.82rem;color:var(--muted)}
.lab__tags{display:flex;flex-wrap:wrap;gap:6px}

/* Painel de números da apresentação */
.numeros{list-style:none;margin:26px 0 30px;padding:0;display:grid;gap:12px;
  grid-template-columns:repeat(auto-fit,minmax(142px,1fr))}
.numeros__item{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--rule);
  border-radius:14px;padding:20px 18px 18px;display:grid;gap:8px;align-content:start}
.numeros__item::before{content:"";position:absolute;inset:0 auto auto 0;width:44px;height:3px;
  background:linear-gradient(90deg,var(--green),var(--blue));border-radius:0 0 3px 0}
.numeros__item strong{font:400 clamp(2.2rem,4vw,2.9rem)/1 var(--serif);color:var(--heading);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.numeros__item span{font:500 .74rem/1.35 var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
@media (max-width:560px){
  .numeros{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .numeros__item{padding:16px 14px 14px}
}
.lab__links .btn{padding:10px 16px;font-size:.88rem}
@media (max-width:560px){
  .lab__stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .lab__stats li,.lab__stats li + li{padding:14px 10px;border-left:0;border-top:1px solid var(--rule)}
  .lab__stats li:nth-child(-n+2){border-top:0}
  .lab__stats li:nth-child(even){border-left:1px solid var(--rule)}
}
.tile__foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--rule);font:500 .74rem/1.5 var(--mono);color:var(--muted)}

/* Notícias (home) */
.news{list-style:none;margin:0;padding:0}
.news li{border-bottom:1px solid var(--rule)}
.news a.news__item,.news div.news__item{display:block;padding:20px 0}
.news a.news__item--foto,.news div.news__item--foto{display:grid;grid-template-columns:clamp(200px,26vw,300px) minmax(0,1fr);
  grid-template-rows:auto auto auto 1fr;gap:6px 24px;align-items:start;align-content:start}
.news__foto{grid-column:1;grid-row:1/span 4;width:100%;aspect-ratio:1;object-fit:cover;border-radius:12px;
  border:1px solid var(--rule);background:var(--paper)}
.news__item--foto > time,.news__item--foto > h3,.news__item--foto > p{grid-column:2}
.news__item--foto > .row__acoes{grid-column:2;grid-row:4;align-self:start;margin-top:14px}
@media (max-width:640px){
  /* no celular o cartaz vai para cima, ocupando a largura toda */
  .news a.news__item--foto,.news div.news__item--foto{grid-template-columns:minmax(0,1fr)}
  .news__foto{grid-column:1;grid-row:auto;max-width:360px;margin-bottom:10px}
  .news__item--foto > time,.news__item--foto > h3,.news__item--foto > p{grid-column:1}
  .news__item--foto > .row__acoes{grid-column:1;grid-row:auto}
}
.news time{font:500 .74rem var(--mono);color:var(--muted)}
.news h3{font:400 1.45rem/1.2 var(--serif);color:var(--heading);margin:6px 0 6px}
.news p{color:var(--muted);font-size:.93rem;margin:0}
.news__item:hover h3{color:var(--green)}
/* O cartão inteiro leva à página da notícia; os botões continuam clicáveis por cima dele. */
.news__item{position:relative}
.news__titulo{color:inherit}
.news__titulo::after{content:"";position:absolute;inset:0}
.news .row__acoes{position:relative;z-index:1}

/* Página de uma notícia */
.page-head--post h1{font-size:clamp(1.9rem,4.2vw,3.2rem);max-width:26ch}
.post__data{font:500 .74rem var(--mono);color:var(--muted);display:block;margin-bottom:14px}
.post{max-width:72ch;padding:clamp(28px,4vw,48px) 0 clamp(40px,6vw,72px)}
.post__foto{display:block;width:100%;border:1px solid var(--rule);border-radius:14px;margin-bottom:28px}
.post p{font-size:1.02rem;line-height:1.75;color:var(--ink-2);margin:0 0 18px;text-align:justify}
.post .row__acoes{margin-top:26px}
.post > .post__voltar{margin:44px 0 0;padding-top:24px;border-top:1px solid var(--rule);font:500 .8rem var(--mono)}
.post__voltar a{color:var(--muted);border-bottom:1px solid var(--rule);padding-bottom:3px}
.post__voltar a:hover{color:var(--green);border-color:var(--green)}
.news .tag{margin-left:8px;vertical-align:middle}

/* Tabela (disciplinas) */
.table-wrap{overflow-x:auto;max-width:100%;border:1px solid var(--rule);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:.92rem}
th,td{text-align:left;padding:12px 16px;border-bottom:1px solid var(--rule);vertical-align:top}
th{font:500 .7rem var(--mono);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);background:var(--paper)}
tr:last-child td{border-bottom:0}
td.mono{white-space:nowrap;color:var(--muted);font-size:.82rem}

/* -------------------------------------------------------------- Contato */
.contact{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:14px}
.contact .tile h3{font-size:1.35rem}
.contact address{font-style:normal;color:var(--ink-2)}
.contact .big{font:400 1.4rem/1.3 var(--serif);color:var(--green);word-break:break-word}

/* --------------------------------------------------------------- Rodapé */
.site-footer{background:var(--deep);color:var(--deep-ink);margin-top:0}
.footer-top{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,1fr));gap:40px;
  padding-top:clamp(48px,7vw,88px);padding-bottom:48px}
.footer-brand .mark{width:44px;height:44px;color:var(--deep-ink);margin-bottom:18px;--paper:var(--deep);--green:var(--deep-green)}
.footer-brand p{color:var(--deep-muted);max-width:38ch;font-size:.93rem}
.unb-sig{display:inline-flex;align-items:center;gap:12px;margin-top:6px;padding:10px 16px 10px 12px;border-radius:10px;
  background:#fff;color:#003366;font:600 .85rem/1.2 var(--sans);transition:transform .2s var(--ease)}
.unb-sig img{display:block;width:64px;height:32px}
.unb-sig:hover{transform:translateY(-2px)}
.site-footer h4{font:500 .7rem var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--deep-muted);
  margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:8px}
.site-footer li a{color:var(--deep-ink);font-size:.93rem;opacity:.85}
.site-footer li a:hover{opacity:1;color:var(--deep-green)}
.footer-wm{font:400 clamp(4.2rem,17vw,15rem)/.8 var(--serif);letter-spacing:-.02em;color:transparent;
  -webkit-text-stroke:1px var(--deep-rule);white-space:nowrap;overflow:hidden;user-select:none;
  padding:0 var(--gutter);max-width:var(--container);margin:0 auto}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;padding-top:20px;padding-bottom:28px;
  border-top:1px solid var(--deep-rule);font:500 .72rem var(--mono);color:var(--deep-muted)}
@media (max-width:900px){.footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}}
@media (max-width:480px){.footer-top{grid-template-columns:1fr}}

/* ------------------------------------------------------------ Revelação */
.js-reveal .reveal{opacity:0;transform:translateY(14px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.js-reveal .reveal.is-in{opacity:1;transform:none}